C10 equilibrium
•Download as PPT, PDF•
0 likes•3,357 views
1. The document discusses concepts related to equilibrium, rotational kinetic energy, angular momentum, and the requirements for an object to be in static equilibrium. 2. It provides examples of situations involving levers, beams, blocks, and ropes and asks questions about the forces and tensions in each case for the object to be in equilibrium. 3. The document also covers topics like center of gravity, elasticity, stress and strain, and defines moduli like Young's modulus, shear modulus, and bulk modulus.
Report
Share
Report
Share
Recommended
Free body diagrams
Free body diagrams show the relative magnitude and direction of all forces acting upon an object by isolating it from its surroundings. The document provides examples of free body diagrams for the Statue of Liberty, a sitting gorilla, a wooden swing, a bungee jumper's bucket, a traffic light, and the pin at point A of a truss bridge. Forces are shown as vectors with arrows indicating direction and labels providing magnitudes. Diagrams for static systems will sum the vertical and horizontal forces to zero, indicating equilibrium.
Work power energy
1) This document discusses work, power, and energy. It defines work as the product of force and displacement, and defines the units of work as newton-meters (Nm) or joules (J).
2) Power is defined as the rate of doing work, or the ratio of work to time. The units of power are watts (W).
3) Energy exists in various forms including mechanical, thermal, chemical, light, sound, nuclear, and electrical. Mechanical energy includes potential energy, which depends on position or height, and kinetic energy, which depends on motion or velocity.
4) The work-energy principle states that the work done on an object equals its change in
Ch 10 SHM & Elasticity
The document provides learning objectives and content about simple harmonic motion, elasticity, and oscillations. It covers topics like:
- Simple harmonic motion concepts like displacement, velocity, acceleration, energy, and their relationships
- Mass on a spring and other oscillation systems like pendulums
- Elastic deformation, stress, strain, and Hooke's law
The document contains examples, equations, and problems related to these topics of simple harmonic motion and elasticity.
Lecture 4 static_equilibrium
The document discusses static equilibrium, where an object experiences no net forces or torques acting upon it. It defines static and dynamic equilibrium, and explores conditions for equilibrium through examples of masses attached to levers or hanging from rods. Key concepts covered include the definitions of force, torque, and their relationships. Torque is described as a twisting force that depends on the distance from the axis of rotation and the perpendicular component of the applied force.
6161103 5.3 equations of equilibrium
1) Equations of equilibrium for a rigid body involve summing forces in x and y directions and moments about a point to equal zero.
2) Alternative equilibrium equations can use resultant forces and moments instead of individual forces and moments.
3) Analyzing equilibrium involves creating a free body diagram and applying the appropriate equilibrium equations.
4) Examples show calculating reactions at supports using the equilibrium approach.
13.1.1 Shm Simple Pendulums
[1] A simple pendulum consists of a bob suspended by a light, inextensible thread from a fixed point that allows it to oscillate in a vertical plane along an arc. [2] Simple pendulums exhibit simple harmonic motion (SHM) because the acceleration is directly proportional to the displacement from the equilibrium position. [3] The time period of a simple pendulum depends only on the length of the thread and acceleration due to gravity according to the equation T = 2π(l/g)^1/2.
Free body diagram
Free body diagrams show the relative magnitude and direction of all forces acting on an object. They include only physical forces touching the object like gravity, applied forces, friction, and reactions, drawn as arrows from a dot representing the object. To analyze motion, forces are resolved into horizontal and vertical components and Newton's second law is applied to each direction separately. For example, with an applied force at an angle on a block, the horizontal force component gives acceleration along the plane while the vertical forces sum to zero for no jump.
Equilibrium
This document discusses the topic of equilibrium of rigid bodies. It covers:
- Analytical and graphical conditions for equilibrium of co-planar forces.
- Different types of beam supports like simple, pinned, roller, and fixed supports.
- Free body diagrams and their application in analyzing equilibrium and determining reactions.
- Lami's theorem which states that for three forces in equilibrium, each force is proportional to the sine of the angle between the other two forces.
- Examples of problems involving cylinders, pulleys, beams, and friction on inclined planes.
Recommended
Free body diagrams
Free body diagrams show the relative magnitude and direction of all forces acting upon an object by isolating it from its surroundings. The document provides examples of free body diagrams for the Statue of Liberty, a sitting gorilla, a wooden swing, a bungee jumper's bucket, a traffic light, and the pin at point A of a truss bridge. Forces are shown as vectors with arrows indicating direction and labels providing magnitudes. Diagrams for static systems will sum the vertical and horizontal forces to zero, indicating equilibrium.
Work power energy
1) This document discusses work, power, and energy. It defines work as the product of force and displacement, and defines the units of work as newton-meters (Nm) or joules (J).
2) Power is defined as the rate of doing work, or the ratio of work to time. The units of power are watts (W).
3) Energy exists in various forms including mechanical, thermal, chemical, light, sound, nuclear, and electrical. Mechanical energy includes potential energy, which depends on position or height, and kinetic energy, which depends on motion or velocity.
4) The work-energy principle states that the work done on an object equals its change in
Ch 10 SHM & Elasticity
The document provides learning objectives and content about simple harmonic motion, elasticity, and oscillations. It covers topics like:
- Simple harmonic motion concepts like displacement, velocity, acceleration, energy, and their relationships
- Mass on a spring and other oscillation systems like pendulums
- Elastic deformation, stress, strain, and Hooke's law
The document contains examples, equations, and problems related to these topics of simple harmonic motion and elasticity.
Lecture 4 static_equilibrium
The document discusses static equilibrium, where an object experiences no net forces or torques acting upon it. It defines static and dynamic equilibrium, and explores conditions for equilibrium through examples of masses attached to levers or hanging from rods. Key concepts covered include the definitions of force, torque, and their relationships. Torque is described as a twisting force that depends on the distance from the axis of rotation and the perpendicular component of the applied force.
6161103 5.3 equations of equilibrium
1) Equations of equilibrium for a rigid body involve summing forces in x and y directions and moments about a point to equal zero.
2) Alternative equilibrium equations can use resultant forces and moments instead of individual forces and moments.
3) Analyzing equilibrium involves creating a free body diagram and applying the appropriate equilibrium equations.
4) Examples show calculating reactions at supports using the equilibrium approach.
13.1.1 Shm Simple Pendulums
[1] A simple pendulum consists of a bob suspended by a light, inextensible thread from a fixed point that allows it to oscillate in a vertical plane along an arc. [2] Simple pendulums exhibit simple harmonic motion (SHM) because the acceleration is directly proportional to the displacement from the equilibrium position. [3] The time period of a simple pendulum depends only on the length of the thread and acceleration due to gravity according to the equation T = 2π(l/g)^1/2.
Free body diagram
Free body diagrams show the relative magnitude and direction of all forces acting on an object. They include only physical forces touching the object like gravity, applied forces, friction, and reactions, drawn as arrows from a dot representing the object. To analyze motion, forces are resolved into horizontal and vertical components and Newton's second law is applied to each direction separately. For example, with an applied force at an angle on a block, the horizontal force component gives acceleration along the plane while the vertical forces sum to zero for no jump.
Equilibrium
This document discusses the topic of equilibrium of rigid bodies. It covers:
- Analytical and graphical conditions for equilibrium of co-planar forces.
- Different types of beam supports like simple, pinned, roller, and fixed supports.
- Free body diagrams and their application in analyzing equilibrium and determining reactions.
- Lami's theorem which states that for three forces in equilibrium, each force is proportional to the sine of the angle between the other two forces.
- Examples of problems involving cylinders, pulleys, beams, and friction on inclined planes.
PHYSICS CLASS XII Chapter 1 - Rotationall dynamics
1. The document discusses rotational dynamics and circular motion. It defines concepts like angular velocity, moment of inertia, centripetal force, and radius of gyration.
2. Examples of circular motion discussed include vehicles moving in circular tracks, wells of death, and vehicles on banked roads. The forces and equations of motion are analyzed.
3. Vertical circular motion under gravity is also examined, like a point mass attached to a string or rod moving in a vertical circle. Dynamics of a vehicle on a convex overbridge are also covered.
4. Moment of inertia is introduced as an analogous concept to mass for rotational motion. Formulas are given for moment of inertia of objects like rings, discs, and
2 d equilibrium-split
The document discusses equilibrium of rigid bodies and provides examples of analyzing static equilibrium for two-dimensional structures. It defines key terms like rigid body, free body diagram, and reactions at supports. It also provides examples of determining tensions in cables and reactions at supports by drawing free body diagrams and using the equations of equilibrium. Sample problems are presented on finding tensions and reactions for systems with three applied forces acting on a rigid body.
Important Notes - JEE - Physics - Simple Harmonic Motion
The document provides information about online courses on oscillatory motion and simple harmonic motion (S.H.M.) including live webinars, recorded lectures, online tests and solutions, notes, and career counseling. It then defines oscillatory motion and S.H.M., describing S.H.M. as periodic motion produced by a restoring force directly proportional to and opposite of the displacement. Several types and properties of S.H.M. are outlined, including the equations for displacement, velocity, acceleration, and differential equations of S.H.M. Examples and special cases are provided.
6161103 3.2 the free body diagram
1) A free-body diagram (FBD) represents all the unknown forces acting on a body when it is isolated from its surroundings.
2) Common connections shown in FBDs include springs and cables/pulleys. Springs exert a force proportional to their elongation/compression. Tension in cables acts in the direction of the cable and has a constant magnitude.
3) Drawing an FBD involves outlining the body, showing all active and reactive forces, and labeling known and unknown forces.
Statics free body diagram
This document provides an introduction to statics and static equilibrium for particles. It defines key terms like particles, equilibrium, and free-body diagrams. It explains that a particle is in equilibrium if the net force acting on it is zero. Free-body diagrams show all forces acting on a particle and are used to apply the equations of equilibrium to solve problems. Examples are provided of drawing free-body diagrams and using them to determine unknown forces on mechanical components in static equilibrium.
UBC.PHYS101.LO2.Simple.Pendulum.in.Uniform.Acceleration
(1) To find the period of a simple pendulum in uniform acceleration, determine the equilibrium state to write the force equation and identify the effective gravity.
(2) For an ascending elevator, the effective gravity is g+a due to the opposing inertial force. The period is T=2π√(l/(g+a)).
(3) For a descending elevator, the effective gravity is g-a due to the assisting inertial force. The period is T=2π√(l/(g-a)).
HSC Physics - Torque
Torque, also called moment or moment of force, is the tendency of a force to rotate an object about an axis, fulcrum or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist. In an electrical sense, torque makes the coil in a DC motor rotate due to the application of a force via the motor effect.
2nd codition of equilibrium
The document discusses rotational equilibrium as the second condition of equilibrium for objects under the influence of forces. It defines key terms like moment arm, torque, and explains that for an object to be in rotational equilibrium, the sum of all torques about any axis must be zero. It provides examples calculating torque using the equation torque = force x moment arm, and illustrates applying the first and second conditions of equilibrium to solve for unknown forces on an object.
Ch3
The document discusses equilibrium of particles and coplanar force systems. It has the following key points:
1) It introduces concepts of equilibrium, free body diagrams, and equations of equilibrium (scalar and vector forms) for solving 2D and 3D static equilibrium problems.
2) Examples are provided to demonstrate drawing free body diagrams and using the equations of equilibrium to solve for unknown forces in 2D and 3D systems involving cables, pulleys, springs, and other mechanics elements.
3) Procedures are outlined for setting up and solving static equilibrium problems involving both 2D coplanar and 3D non-coplanar force systems.
10. kinetics of particles newton s 2nd law
Learn Online Courses of Subject Engineering Mechanics of First Year Engineering. Clear the Concepts of Engineering Mechanics Through Video Lectures and PDF Notes. Visit us: https://ekeeda.com/streamdetails/subject/Engineering-Mechanics
Statics
Explains interaction of forces in non accelerating systems
**More good stuff available at:
www.wsautter.com
and
http://www.youtube.com/results?search_query=wnsautter&aq=f
Chapter 3
This document discusses equilibrium of particles and free body diagrams. It provides an example of drawing a free body diagram for a cylinder suspended by two cables, and using the equations of equilibrium to solve for the unknown tensions in the cables. It also discusses 3D equilibrium, giving an example problem of finding an unknown force on a particle given its position and four other forces.
statika struktur "rigid-body"
This document provides an introduction to analyzing forces acting on rigid bodies. It defines key terms like moment of a force, vector and scalar products, and equivalent force systems. It also presents the principles of transmissibility and Varignon's theorem. Sample problems demonstrate calculating the moment of a force about a point and determining equivalent forces that produce the same moment. The document aims to describe how to represent and simplify systems of forces exerted on rigid bodies.
The simple pendulum
The document analyzes whether a simple pendulum exhibits simple harmonic motion. It describes a simple pendulum as a mass attached to an inextensible string with negligible mass, suspended from a rigid support. The document then analyzes the forces on the pendulum mass using a radial and tangential coordinate system. It determines that the restoring force is proportional to the sine of the angular displacement, so a simple pendulum is not strictly in simple harmonic motion. However, for small angular displacements, the sine can be approximated as the angle, making the restoring force directly proportional to displacement and allowing the simple pendulum to be considered an example of simple harmonic motion.
moment of inertia
This document describes a method for measuring the moment of inertia of an electric motor rotor using a physical pendulum technique. A cylinder of known mass and radius is attached to the rotor at a fixed distance to create a physical pendulum. The period of oscillation of this physical pendulum is measured, and the moment of inertia of the rotor is calculated using the measured period along with known values of the cylinder's mass, radius, and attachment distance. The document provides detailed equations for relating the physical pendulum's period of oscillation to the moment of inertia being measured and describes the experimental apparatus used to perform the oscillation period measurements.
Shm
The document discusses oscillations and simple harmonic motion. It defines periodic motion, oscillatory motion, and harmonic motion. Harmonic motion can be described using sine and cosine functions. Examples of oscillations include a swinging pendulum and vibrating springs. The period and frequency of oscillations are defined. For simple harmonic motion, the displacement is directly proportional to the displacement from equilibrium and opposite in sign. The velocity and acceleration functions for SHM are derived. For a mass-spring system, the restoring force is proportional to the displacement. The total mechanical energy of a simple harmonic oscillator remains constant over time as the kinetic and potential energy alternately increase and decrease during oscillation.
Formula Bank and Important tips for Mechanical Engineering Students for Compe...
This document summarizes key concepts in engineering mechanics and strength of materials for mechanical engineering students. It covers topics like force equilibrium, stress and strain analysis, material properties, and failure theories. Key equations are presented for areas including static equilibrium, centroids, moments of inertia, stress-strain relationships, transformation of stresses, and bending stresses in beams. Diagrams illustrate stress distributions and Mohr's circle analyses for various loading conditions.
Lecture truss [compatibility mode]
The document discusses various topics related to trusses:
1. It defines the key features of a truss, including that it consists of slender straight members connected at joints, with pinned connections that allow only axial forces in the members.
2. External loads must be applied at the joints, as members cannot support lateral loads. Most structures use multiple trusses joined together to form a space framework.
3. Simple trusses are constructed by adding members and joints, following the rule that m = 2n - 3, where m is the number of members and n is the number of joints. Simple trusses are internally rigid.
4. Two common methods for analyzing trusses
Simulation of Simple Pendulum
This paper presents the Physics Rotational Method of the simple gravity pendulum, and it also applies Physics Direct Method to represent these equations, in addition to the numerical solutions discusses. This research investigates the relationship between angular acceleration and angle to find out different numerical solution by using simulation to see their behavior which shows in last part of this article.
Analysis of plane truss unit 5
This document provides an overview of analyzing plane trusses through the method of joints and method of sections. It defines what a truss is and describes trusses as being composed of slender members joined at their endpoints that can only experience axial forces. The document then covers the method of joints which involves solving for equilibrium at each joint. It also covers the method of sections which involves cutting the truss and solving for equilibrium of each section. Examples are provided to demonstrate solving for forces in a truss using both methods.
Mm210(1)
This document provides an introduction to mechanics of materials, which deals with analyzing how solid objects deform under stress. It discusses key topics like stress and strain analysis, mechanical properties of materials, and static equilibrium as it relates to determining internal forces in loaded structures. The document provides examples of using free body diagrams and equilibrium equations to calculate reactions, shear forces, bending moments, and other internal forces in beams, pipes, and other loaded bodies.
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB Series
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB SeriesNissin Precision Machines Co., Ltd. (HQ of Nissin Group)
This is a brief outline of NISSIN 3D Freeform Tube Bender (NISSIN CNC Pipe Bender) and our company profile.
[Overview]
With the NISSIN CNC 3D Freeform Tube Bender, it is possible to bend different radii at tubes and profiles in three dimensions without tool change.
This is due to a patented tooling in combination with a CNC control system.
Radii can follow each other without straight length in between, and can be in different planes.
The machine can produce bent tubes with homogeneous wall thickness.
Using a mandrel, thin-walled pipes be bent on the NISSIN CNC 3D Freeform Bender, up to a diameter of 60.5 mm.
The smallest radius that can be achieved is somewhere around 3DR (depending on material tube specification.)
The 3 axis system can bend round tubes only with suggested thickness 5 - 10% of O.D.
The Easy Programming software on Windows has features like 3D preview, mirroring and rotation,
Pls refer to these articles for technical basics:
Tube bending with no straights? No problem
Wisconsin tube shop invests in freeform bending technology
http://www.thefabricator.com/article/tubepipefabrication/tube-bending-with-no-straightsr-no-problem
Highly Improved Function and Productivity
for Tube Bending by CNC Bender
http://www.tubenet.org.uk/technical/nissin.html
More Related Content
What's hot
PHYSICS CLASS XII Chapter 1 - Rotationall dynamics
1. The document discusses rotational dynamics and circular motion. It defines concepts like angular velocity, moment of inertia, centripetal force, and radius of gyration.
2. Examples of circular motion discussed include vehicles moving in circular tracks, wells of death, and vehicles on banked roads. The forces and equations of motion are analyzed.
3. Vertical circular motion under gravity is also examined, like a point mass attached to a string or rod moving in a vertical circle. Dynamics of a vehicle on a convex overbridge are also covered.
4. Moment of inertia is introduced as an analogous concept to mass for rotational motion. Formulas are given for moment of inertia of objects like rings, discs, and
2 d equilibrium-split
The document discusses equilibrium of rigid bodies and provides examples of analyzing static equilibrium for two-dimensional structures. It defines key terms like rigid body, free body diagram, and reactions at supports. It also provides examples of determining tensions in cables and reactions at supports by drawing free body diagrams and using the equations of equilibrium. Sample problems are presented on finding tensions and reactions for systems with three applied forces acting on a rigid body.
Important Notes - JEE - Physics - Simple Harmonic Motion
The document provides information about online courses on oscillatory motion and simple harmonic motion (S.H.M.) including live webinars, recorded lectures, online tests and solutions, notes, and career counseling. It then defines oscillatory motion and S.H.M., describing S.H.M. as periodic motion produced by a restoring force directly proportional to and opposite of the displacement. Several types and properties of S.H.M. are outlined, including the equations for displacement, velocity, acceleration, and differential equations of S.H.M. Examples and special cases are provided.
6161103 3.2 the free body diagram
1) A free-body diagram (FBD) represents all the unknown forces acting on a body when it is isolated from its surroundings.
2) Common connections shown in FBDs include springs and cables/pulleys. Springs exert a force proportional to their elongation/compression. Tension in cables acts in the direction of the cable and has a constant magnitude.
3) Drawing an FBD involves outlining the body, showing all active and reactive forces, and labeling known and unknown forces.
Statics free body diagram
This document provides an introduction to statics and static equilibrium for particles. It defines key terms like particles, equilibrium, and free-body diagrams. It explains that a particle is in equilibrium if the net force acting on it is zero. Free-body diagrams show all forces acting on a particle and are used to apply the equations of equilibrium to solve problems. Examples are provided of drawing free-body diagrams and using them to determine unknown forces on mechanical components in static equilibrium.
UBC.PHYS101.LO2.Simple.Pendulum.in.Uniform.Acceleration
(1) To find the period of a simple pendulum in uniform acceleration, determine the equilibrium state to write the force equation and identify the effective gravity.
(2) For an ascending elevator, the effective gravity is g+a due to the opposing inertial force. The period is T=2π√(l/(g+a)).
(3) For a descending elevator, the effective gravity is g-a due to the assisting inertial force. The period is T=2π√(l/(g-a)).
HSC Physics - Torque
Torque, also called moment or moment of force, is the tendency of a force to rotate an object about an axis, fulcrum or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist. In an electrical sense, torque makes the coil in a DC motor rotate due to the application of a force via the motor effect.
2nd codition of equilibrium
The document discusses rotational equilibrium as the second condition of equilibrium for objects under the influence of forces. It defines key terms like moment arm, torque, and explains that for an object to be in rotational equilibrium, the sum of all torques about any axis must be zero. It provides examples calculating torque using the equation torque = force x moment arm, and illustrates applying the first and second conditions of equilibrium to solve for unknown forces on an object.
Ch3
The document discusses equilibrium of particles and coplanar force systems. It has the following key points:
1) It introduces concepts of equilibrium, free body diagrams, and equations of equilibrium (scalar and vector forms) for solving 2D and 3D static equilibrium problems.
2) Examples are provided to demonstrate drawing free body diagrams and using the equations of equilibrium to solve for unknown forces in 2D and 3D systems involving cables, pulleys, springs, and other mechanics elements.
3) Procedures are outlined for setting up and solving static equilibrium problems involving both 2D coplanar and 3D non-coplanar force systems.
10. kinetics of particles newton s 2nd law
Learn Online Courses of Subject Engineering Mechanics of First Year Engineering. Clear the Concepts of Engineering Mechanics Through Video Lectures and PDF Notes. Visit us: https://ekeeda.com/streamdetails/subject/Engineering-Mechanics
Statics
Explains interaction of forces in non accelerating systems
**More good stuff available at:
www.wsautter.com
and
http://www.youtube.com/results?search_query=wnsautter&aq=f
Chapter 3
This document discusses equilibrium of particles and free body diagrams. It provides an example of drawing a free body diagram for a cylinder suspended by two cables, and using the equations of equilibrium to solve for the unknown tensions in the cables. It also discusses 3D equilibrium, giving an example problem of finding an unknown force on a particle given its position and four other forces.
statika struktur "rigid-body"
This document provides an introduction to analyzing forces acting on rigid bodies. It defines key terms like moment of a force, vector and scalar products, and equivalent force systems. It also presents the principles of transmissibility and Varignon's theorem. Sample problems demonstrate calculating the moment of a force about a point and determining equivalent forces that produce the same moment. The document aims to describe how to represent and simplify systems of forces exerted on rigid bodies.
The simple pendulum
The document analyzes whether a simple pendulum exhibits simple harmonic motion. It describes a simple pendulum as a mass attached to an inextensible string with negligible mass, suspended from a rigid support. The document then analyzes the forces on the pendulum mass using a radial and tangential coordinate system. It determines that the restoring force is proportional to the sine of the angular displacement, so a simple pendulum is not strictly in simple harmonic motion. However, for small angular displacements, the sine can be approximated as the angle, making the restoring force directly proportional to displacement and allowing the simple pendulum to be considered an example of simple harmonic motion.
moment of inertia
This document describes a method for measuring the moment of inertia of an electric motor rotor using a physical pendulum technique. A cylinder of known mass and radius is attached to the rotor at a fixed distance to create a physical pendulum. The period of oscillation of this physical pendulum is measured, and the moment of inertia of the rotor is calculated using the measured period along with known values of the cylinder's mass, radius, and attachment distance. The document provides detailed equations for relating the physical pendulum's period of oscillation to the moment of inertia being measured and describes the experimental apparatus used to perform the oscillation period measurements.
Shm
The document discusses oscillations and simple harmonic motion. It defines periodic motion, oscillatory motion, and harmonic motion. Harmonic motion can be described using sine and cosine functions. Examples of oscillations include a swinging pendulum and vibrating springs. The period and frequency of oscillations are defined. For simple harmonic motion, the displacement is directly proportional to the displacement from equilibrium and opposite in sign. The velocity and acceleration functions for SHM are derived. For a mass-spring system, the restoring force is proportional to the displacement. The total mechanical energy of a simple harmonic oscillator remains constant over time as the kinetic and potential energy alternately increase and decrease during oscillation.
Formula Bank and Important tips for Mechanical Engineering Students for Compe...
This document summarizes key concepts in engineering mechanics and strength of materials for mechanical engineering students. It covers topics like force equilibrium, stress and strain analysis, material properties, and failure theories. Key equations are presented for areas including static equilibrium, centroids, moments of inertia, stress-strain relationships, transformation of stresses, and bending stresses in beams. Diagrams illustrate stress distributions and Mohr's circle analyses for various loading conditions.
Lecture truss [compatibility mode]
The document discusses various topics related to trusses:
1. It defines the key features of a truss, including that it consists of slender straight members connected at joints, with pinned connections that allow only axial forces in the members.
2. External loads must be applied at the joints, as members cannot support lateral loads. Most structures use multiple trusses joined together to form a space framework.
3. Simple trusses are constructed by adding members and joints, following the rule that m = 2n - 3, where m is the number of members and n is the number of joints. Simple trusses are internally rigid.
4. Two common methods for analyzing trusses
Simulation of Simple Pendulum
This paper presents the Physics Rotational Method of the simple gravity pendulum, and it also applies Physics Direct Method to represent these equations, in addition to the numerical solutions discusses. This research investigates the relationship between angular acceleration and angle to find out different numerical solution by using simulation to see their behavior which shows in last part of this article.
Analysis of plane truss unit 5
This document provides an overview of analyzing plane trusses through the method of joints and method of sections. It defines what a truss is and describes trusses as being composed of slender members joined at their endpoints that can only experience axial forces. The document then covers the method of joints which involves solving for equilibrium at each joint. It also covers the method of sections which involves cutting the truss and solving for equilibrium of each section. Examples are provided to demonstrate solving for forces in a truss using both methods.
What's hot (20)
PHYSICS CLASS XII Chapter 1 - Rotationall dynamics
PHYSICS CLASS XII Chapter 1 - Rotationall dynamics
Important Notes - JEE - Physics - Simple Harmonic Motion
Important Notes - JEE - Physics - Simple Harmonic Motion
UBC.PHYS101.LO2.Simple.Pendulum.in.Uniform.Acceleration
UBC.PHYS101.LO2.Simple.Pendulum.in.Uniform.Acceleration
Formula Bank and Important tips for Mechanical Engineering Students for Compe...
Formula Bank and Important tips for Mechanical Engineering Students for Compe...
Viewers also liked
Mm210(1)
This document provides an introduction to mechanics of materials, which deals with analyzing how solid objects deform under stress. It discusses key topics like stress and strain analysis, mechanical properties of materials, and static equilibrium as it relates to determining internal forces in loaded structures. The document provides examples of using free body diagrams and equilibrium equations to calculate reactions, shear forces, bending moments, and other internal forces in beams, pipes, and other loaded bodies.
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB Series
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB SeriesNissin Precision Machines Co., Ltd. (HQ of Nissin Group)
This is a brief outline of NISSIN 3D Freeform Tube Bender (NISSIN CNC Pipe Bender) and our company profile.
[Overview]
With the NISSIN CNC 3D Freeform Tube Bender, it is possible to bend different radii at tubes and profiles in three dimensions without tool change.
This is due to a patented tooling in combination with a CNC control system.
Radii can follow each other without straight length in between, and can be in different planes.
The machine can produce bent tubes with homogeneous wall thickness.
Using a mandrel, thin-walled pipes be bent on the NISSIN CNC 3D Freeform Bender, up to a diameter of 60.5 mm.
The smallest radius that can be achieved is somewhere around 3DR (depending on material tube specification.)
The 3 axis system can bend round tubes only with suggested thickness 5 - 10% of O.D.
The Easy Programming software on Windows has features like 3D preview, mirroring and rotation,
Pls refer to these articles for technical basics:
Tube bending with no straights? No problem
Wisconsin tube shop invests in freeform bending technology
http://www.thefabricator.com/article/tubepipefabrication/tube-bending-with-no-straightsr-no-problem
Highly Improved Function and Productivity
for Tube Bending by CNC Bender
http://www.tubenet.org.uk/technical/nissin.html
Intro to Rotary Draw Bending: An Engineer’s Guide to Bending Tubes
This guide is an excellent starting point for anyone who has questions or is interested in learning about bending tooling. Easy to understand diagrams and images are accompanied by clear information, walking readers through the basics of bending tooling.
Imegate4u
This document provides information about fluid dynamics concepts including:
1. Euler's equation of motion which relates velocity and pressure fields for inviscid fluid flow.
2. Bernoulli's equation which relates pressure, velocity, and elevation for steady, incompressible fluid flow without friction.
3. A pilot tube which uses stagnation pressure and static pressure measurements via Bernoulli's equation to determine fluid velocity.
Basics of Tube Bending
Basics of Tube Bending explores the fundamentals of bending with a mandrel, bending tube with a plug mandrel, a ball mandrel and wiper die, and also explores and troubleshoots some of the most common tube bending problems and issues!
Bending machine project
PT United Tractors Pandu Engineering is considering investing in a new bending machine. Their existing machines have high breakdown times and availability issues. A future needs analysis determined their current machines can handle upcoming workloads but investments in interchangeable punches and dies are needed. Machine comparisons showed a recommended supplier and a machine with 10000kN force and 8m length would meet their needs without needing a new machine. A proposed layout and budget was presented for punch and die modifications and other machinery investments.
Pipes and bends
Pipes are used to transport liquids and gases and are made from various materials like steel, plastic, copper, etc. Common pipe types include seamless, ERW, and CDW pipes. Pipes are designed based on thickness calculations to withstand internal and working pressures. Bends in pipes are formed using methods like ram bending and mandrel bending. Forces like pressure, mass flow, and velocity cause stresses on bends. Head loss occurs in bends due to friction and is quantified using loss coefficients. Pipes and bends have wide applications in industries, buildings, households, and infrastructure.
5 beams- Mechanics of Materials - 4th - Beer
This document contains chapter 5 from the textbook "Mechanics of Materials" which discusses the analysis and design of beams for bending. It includes introductions to shear and bending moment diagrams, sample problems calculating reactions and drawing the diagrams, relationships between load, shear and bending moment, and considerations for designing prismatic beams for bending. The key concepts covered are determining internal shear forces and bending moments, using equilibrium to draw shear and bending moment diagrams, and selecting beam cross sections based on required section modulus and allowable stresses.
Design and fabrication of hydraulic pipe bending machine
This document describes the design and construction of a hydraulic pipe bending machine. The machine aims to address common problems with manually operated pipe bending systems, which require tremendous human effort, have high labor costs, and can result in defects. The hydraulic pipe bending machine uses a hydraulic jack to generate large bending forces with minimal human effort. It consists of a base frame, mounting points for pulleys of various diameters, a hydraulic jack between the pulleys, and retraction springs. Pipes are inserted between the pulleys and bent into the desired shape when the hydraulic jack handle is operated. The machine allows for safe and damage-free bending of pipes for applications in automotive, agriculture, and other industries.
4 pure bending- Mechanics of Materials - 4th - Beer
This chapter discusses pure bending of structural members. Pure bending occurs when equal and opposite couples or bending moments act on a member. The chapter covers bending deformations and strains, stress due to bending calculated using elastic flexure formulas, section properties that influence bending such as moment of inertia, and bending of composite members made of multiple materials. Examples are provided to demonstrate calculating bending stresses in reinforced concrete beams.
Theory of bending
This document provides information on bending theory and design principles for bending operations. It discusses the following key points in 3 sentences:
Types of bending covered include V-bending, edge bending, and flanging. Springback occurs as the bent part partially recovers its original shape after bending forces are removed. The document outlines methods to compensate for springback like overbending and bottoming, and provides formulas to estimate springback and calculate bending allowance and force.
Bending
1. The document discusses sheet metal forming processes including shearing, bending, and springback. It provides definitions and formulas for calculating forces in shearing and springback in bending.
2. An lab experiment is described that involves bending aluminum strips using a finger brake machine and measuring the resulting bend radii and angles to analyze springback.
3. Finite element analysis simulations are shown illustrating the deformation during bending and springback.
Design and fabrication of bending machine
This document describes the design and fabrication of a portable bending machine. The machine uses a motor attached to a circular plate to rotate two jigs holding a metal rod, bending it into various shapes. It can bend tubes, bars, channels, and squares into curves or other forms. Calculations are provided for bending stresses and required motor torque. The machine is low-cost and easy to operate, making it suitable for portable use in bending metal.
PROJECT Presentation(2014-15)new
This document describes the design of a hydraulic bending machine. It contains sections on the hydraulic principles, types of bending, hydraulic bending process, components of the machine including the hydraulic jack, roller guides, die and frame. The document explains how the machine works by using a hydraulic jack to apply pressure through a piston rod to rollers, bending a steel bar placed between the rollers and die. It lists advantages like efficiency and safety, and disadvantages like limited thickness bending. Applications include construction and manufacturing. The future scope is to increase capacity and automate the machine.
Viewers also liked (14)
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB Series
Introduction to NISSIN CNC 3D Freeform Tube Bender, NPB Series
Intro to Rotary Draw Bending: An Engineer’s Guide to Bending Tubes
Intro to Rotary Draw Bending: An Engineer’s Guide to Bending Tubes
Design and fabrication of hydraulic pipe bending machine
Design and fabrication of hydraulic pipe bending machine
4 pure bending- Mechanics of Materials - 4th - Beer
4 pure bending- Mechanics of Materials - 4th - Beer
Similar to C10 equilibrium
Chapter 9 tutorial exercises with solutions 19 02 2013
1. The document describes a system consisting of two blocks placed at the ends of a horizontal massless board that rests on an axis of rotation. The moment of inertia of the system is given as 12 kg·m2.
2. It then presents a problem involving a wrecking ball supported by a boom. Forces acting on the system include the weight of the wrecking ball, the weight of the boom, and the tension in a support cable.
3. The document solves the problems by applying principles of equilibrium, including analyzing torque equations and using trigonometric relationships between forces and angles. Solutions are obtained for requested values like tension in the support cable and magnitude of the force on the lower end of the boom
Laws of motion
This document contains 11 physics problems related to work, power, and energy. It includes multiple choice and numerical problems involving concepts like force, friction, inclined planes, pulleys, rotational motion, and more. The problems progress from simpler concepts involving calculations of force and acceleration to more complex problems involving multiple masses on inclined planes or rotating disks with friction.
Ch9
1. The document discusses rotational dynamics and torque. It defines torque as the product of the force applied and the lever arm distance. Torque depends on both magnitude and direction of the applied force as well as the lever arm.
2. Forces of the same magnitude can produce different torques depending on the lever arm. Torque is key to understanding rotational motion and equilibrium of rigid bodies.
3. For a rigid body to be in equilibrium, the sum of the torques acting on it must equal zero, in addition to the sum of the forces equaling zero. Examples are provided to demonstrate calculating torque and determining equilibrium.
Class 11 Cbse Physics Sample Paper Model 1
Cbse 11 Class Physics Sample Paper Model 1 - http://cbse.edurite.com/cbse-sample-papers/cbse-sample-papers-for-class-11-physics.html
Chapter 9
This document provides examples and explanations of concepts related to rotational kinetics, including:
- Torque is calculated as the product of a force and its perpendicular distance from the axis of rotation. Net torque is the sum of all torques acting on an object.
- Rotational equilibrium occurs when the net torque on an object is zero, meaning the sum of clockwise and counterclockwise torques are equal.
- The center of mass of a uniformly distributed object is located at its geometric center. For rotational problems involving uniform objects, the center of mass can be treated as the axis of rotation.
- Newton's second law for rotational motion states that the net torque equals the product of the object's moment
Ch1and2.pptx
This document summarizes key concepts in structural dynamics and aeroelasticity. It discusses three areas of interaction: between elasticity and dynamics, between aerodynamics and elasticity, and among all three. It then provides definitions and equations for rigid body dynamics, including Euler's laws. Subsequent sections cover transverse vibrations of strings, beams, and coupled bending-torsion behaviors in more complex structures. The concepts of stability are introduced, followed by discussions of single-degree-of-freedom systems, including free, forced, and resonant vibrations.
Gen Phy 2 Q1L3 Electric Charge and Coulumb's Law.pptx
* Given: q = 8.00 x 10-9 C
* Side of cube = 0.200 m
* Distance between charge and side = 0.141 m
* Area of each face = 0.200 x 0.200 = 0.0400 m2
* Using Gauss's law: φE = EA
* E = kq/r2 = (9 x 109 Nm2/C2)(8.00 x 10-9 C)/(0.141 m)2 = 4.80 x 105 N/C
* φE = (4.80 x 105 N/C)(0.0400 m2) = 1.92 x 10-3 Nm2/C
Therefore
Elastisitas.ppt
Elasticity is defined as an object's ability to return to its initial form after an external force is removed. Stress is calculated by dividing force by cross-sectional area, while strain is calculated by dividing change in length by initial length. Modulus of elasticity, also called Young's modulus, is calculated by dividing stress by strain and defines the relationship between stress and strain. Hooke's law states that stress is directly proportional to strain for an elastic material. Springs follow Hooke's law, with force proportional to displacement from equilibrium. Springs arranged in series have total displacement equal to the sum of individual displacements, while springs in parallel have the same displacement. Simple harmonic motion involves a restoring force proportional to displacement, like a spring or
Physics Equilibrium
The document discusses concepts related to equilibrium in physics including:
- Equilibrium as a condition where net forces are balanced out
- Statics as the study of structures in equilibrium under static forces
- Conditions for translational and rotational equilibrium as the sum of forces and sum of torques being equal to zero respectively
- Examples of calculating tensions in ropes and finding the center of gravity to solve equilibrium problems
Research on Transformer Core Vibration under DC Bias Based on Multi-field Cou...
The Mathematical models for DC bias vibration analysis of the transformer core are developed in this paper. The model is combined into multi-physical field coupling modeling for vibration analysis of the transformer. By applying the primary voltage as excitation and under different DC bias, vibrations of the transformer core is simulated and analyzed.
Chapter 1 E&E Principle.pdf
The document discusses various electrical concepts including Ohm's law, electric circuits, energy and power, electrostatics, electric charge, and electric fields. It provides examples and exercises demonstrating how to apply Ohm's law to calculate current, voltage, resistance, power, and other electrical properties. Key formulas are presented for charge, current, resistance, power, energy, electric field strength, electric flux, and permittivity.
Mechanic Machine
This chapter discusses particle equilibrium using free-body diagrams and equations of equilibrium. It introduces the concept of a free-body diagram to represent all unknown forces acting on a particle. Equilibrium requires the vector sum of all forces (ΣF) to equal zero. For coplanar systems, this is resolved into scalar equations with the x and y force components summing to zero. Examples show using free-body diagrams and equations to solve for tensions in cables and springs for systems in equilibrium.
The kinds of force ( macam macam gaya )
The document describes different types of forces:
1) Weight is the force exerted on a mass by gravity. It is calculated as mass times gravitational acceleration.
2) Normal force is the contact force acting perpendicular to a surface. It is equal to weight when an object is at rest on a surface.
3) String tension is the pulling force transmitted through a string. It is equal to weight when a hanging object is at static equilibrium.
4) Friction opposes the direction of motion and depends on the normal force and coefficient of friction. Free body diagrams can be used to analyze forces on objects. Several example problems are then provided to calculate acceleration, distance, tension and normal contact forces in different physical situations
ROTATIONAL-MOTIONELASTICITY-PLASTICITYOSCILATIONS (1).pptx
The document discusses tension formula, rotational motion, torque, rotational kinetic energy, elasticity, plasticity, Hooke's law, and simple pendulums. It provides formulas for calculating tension, rotational kinematics, torque, rotational kinetic energy, elastic modulus, Hooke's law, and the period of a simple pendulum. It also includes example problems and solutions for some of the formulas.
5299254.ppt
1. Work done by a constant force depends on the magnitude of the force and the displacement along the direction of the force. Work done by opposing forces is negative. Centripetal forces do no work as they are always perpendicular to motion.
2. The work-kinetic energy theorem states that the work done on an object equals its change in kinetic energy. It can be used to calculate changes in speed.
3. Gravitational potential energy is defined as mgh. The principle of conservation of mechanical energy can be used to solve problems involving changes in kinetic and potential energy in an isolated system, such as an object moving under gravity.
IITJEE - Physics 2011-i
This document contains an unsolved physics practice paper from 2011 for the IIT JEE entrance exam. It has 23 multiple choice and numerical response questions testing concepts in physics, including mechanics, electromagnetism, thermodynamics, and modern physics. The questions are grouped into sections involving single answer multiple choice, multiple answer multiple choice, and questions requiring numeric or paragraph responses. Dimensional analysis, plasma reflection, phase space diagrams, and radioactive decay are some of the specific topics addressed.
forces-and-motion-ppt.docx lecture in Physical Science
This document provides an overview of forces and motion. It begins by outlining the key concepts students should understand, including Newton's Laws of motion and how to apply them to problems involving linear and vertical motion. It then defines different types of forces and friction. Examples are provided to illustrate calculating forces using free body diagrams and applying Newton's Laws to problems involving balanced and unbalanced forces. Key concepts like static friction, kinetic friction, and Newton's Third Law are defined. Worked examples demonstrate applying concepts like friction to problems involving blocks on inclined planes or connected by strings over pulleys.
Problem and solution i ph o 22
1) The document presents three theoretical physics problems involving spinning balls, charged particles in loops, and laser cooling of atoms.
2) Problem 1 considers a spinning ball falling and rebounding, calculating the rebound angle, horizontal distance traveled, and minimum spin rate. Problem 2 analyzes relativistic effects on charged particles in a moving loop in an electric field.
3) Problem 3 describes using lasers to cool atoms by resonant absorption. It calculates the laser frequency needed, velocity range absorbed, direction change upon emission, maximum velocity decrease, number of absorption events to slow to zero velocity, and distance traveled during cooling.
Kinetics of particles newton's 2nd law
Ekeeda Provides Online Video Lectures for Civil Engineering Degree Subject Courses for All Engineering Universities. Visit us: https://ekeeda.com/streamdetails/stream/civil-engineering
Damped and undamped motion differential equations.pptx
Damped and undamped motion, ordinary differential equations
Similar to C10 equilibrium (20)
Chapter 9 tutorial exercises with solutions 19 02 2013
Chapter 9 tutorial exercises with solutions 19 02 2013
Gen Phy 2 Q1L3 Electric Charge and Coulumb's Law.pptx
Gen Phy 2 Q1L3 Electric Charge and Coulumb's Law.pptx
Research on Transformer Core Vibration under DC Bias Based on Multi-field Cou...
Research on Transformer Core Vibration under DC Bias Based on Multi-field Cou...
ROTATIONAL-MOTIONELASTICITY-PLASTICITYOSCILATIONS (1).pptx
ROTATIONAL-MOTIONELASTICITY-PLASTICITYOSCILATIONS (1).pptx
forces-and-motion-ppt.docx lecture in Physical Science
forces-and-motion-ppt.docx lecture in Physical Science
Damped and undamped motion differential equations.pptx
Damped and undamped motion differential equations.pptx
Recently uploaded
Immersive Learning That Works: Research Grounding and Paths Forward
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
Phenomics assisted breeding in crop improvement
As the population is increasing and will reach about 9 billion upto 2050. Also due to climate change, it is difficult to meet the food requirement of such a large population. Facing the challenges presented by resource shortages, climate
change, and increasing global population, crop yield and quality need to be improved in a sustainable way over the coming decades. Genetic improvement by breeding is the best way to increase crop productivity. With the rapid progression of functional
genomics, an increasing number of crop genomes have been sequenced and dozens of genes influencing key agronomic traits have been identified. However, current genome sequence information has not been adequately exploited for understanding
the complex characteristics of multiple gene, owing to a lack of crop phenotypic data. Efficient, automatic, and accurate technologies and platforms that can capture phenotypic data that can
be linked to genomics information for crop improvement at all growth stages have become as important as genotyping. Thus,
high-throughput phenotyping has become the major bottleneck restricting crop breeding. Plant phenomics has been defined as the high-throughput, accurate acquisition and analysis of multi-dimensional phenotypes
during crop growing stages at the organism level, including the cell, tissue, organ, individual plant, plot, and field levels. With the rapid development of novel sensors, imaging technology,
and analysis methods, numerous infrastructure platforms have been developed for phenotyping.
ESR spectroscopy in liquid food and beverages.pptx
With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
Thornton ESPP slides UK WW Network 4_6_24.pdf
ESPP presentation to EU Waste Water Network, 4th June 2024 “EU policies driving nutrient removal and recycling
and the revised UWWTD (Urban Waste Water Treatment Directive)”
Micronuclei test.M.sc.zoology.fisheries.
Current Ms word generated power point presentation covers major details about the micronuclei test. It's significance and assays to conduct it. It is used to detect the micronuclei formation inside the cells of nearly every multicellular organism. It's formation takes place during chromosomal sepration at metaphase.
8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
Equivariant neural networks and representation theory
Or: Beyond linear.
Abstract: Equivariant neural networks are neural networks that incorporate symmetries. The nonlinear activation functions in these networks result in interesting nonlinear equivariant maps between simple representations, and motivate the key player of this talk: piecewise linear representation theory.
Disclaimer: No one is perfect, so please mind that there might be mistakes and typos.
dtubbenhauer@gmail.com
Corrected slides: dtubbenhauer.com/talks.html
The binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
Direct Seeded Rice - Climate Smart Agriculture
Direct Seeded Rice - Climate Smart AgricultureInternational Food Policy Research Institute- South Asia Office
PPT on Direct Seeded Rice presented at the three-day 'Training and Validation Workshop on Modules of Climate Smart Agriculture (CSA) Technologies in South Asia' workshop on April 22, 2024.
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
Although Artemia has been known to man for centuries, its use as a food for the culture of larval organisms apparently began only in the 1930s, when several investigators found that it made an excellent food for newly hatched fish larvae (Litvinenko et al., 2023). As aquaculture developed in the 1960s and ‘70s, the use of Artemia also became more widespread, due both to its convenience and to its nutritional value for larval organisms (Arenas-Pardo et al., 2024). The fact that Artemia dormant cysts can be stored for long periods in cans, and then used as an off-the-shelf food requiring only 24 h of incubation makes them the most convenient, least labor-intensive, live food available for aquaculture (Sorgeloos & Roubach, 2021). The nutritional value of Artemia, especially for marine organisms, is not constant, but varies both geographically and temporally. During the last decade, however, both the causes of Artemia nutritional variability and methods to improve poorquality Artemia have been identified (Loufi et al., 2024).
Brine shrimp (Artemia spp.) are used in marine aquaculture worldwide. Annually, more than 2,000 metric tons of dry cysts are used for cultivation of fish, crustacean, and shellfish larva. Brine shrimp are important to aquaculture because newly hatched brine shrimp nauplii (larvae) provide a food source for many fish fry (Mozanzadeh et al., 2021). Culture and harvesting of brine shrimp eggs represents another aspect of the aquaculture industry. Nauplii and metanauplii of Artemia, commonly known as brine shrimp, play a crucial role in aquaculture due to their nutritional value and suitability as live feed for many aquatic species, particularly in larval stages (Sorgeloos & Roubach, 2021).
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
Bob Reedy - Nitrate in Texas Groundwater.pdf
Presented at June 6-7 Texas Alliance of Groundwater Districts Business Meeting
SAR of Medicinal Chemistry 1st by dk.pdf
In this presentation include the prototype drug SAR on thus or with their examples .
Syllabus of Second Year B. Pharmacy
2019 PATTERN.
Recently uploaded (20)
aziz sancar nobel prize winner: from mardin to nobel
aziz sancar nobel prize winner: from mardin to nobel
Immersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths Forward
ESR spectroscopy in liquid food and beverages.pptx
ESR spectroscopy in liquid food and beverages.pptx
8.Isolation of pure cultures and preservation of cultures.pdf
8.Isolation of pure cultures and preservation of cultures.pdf
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
Equivariant neural networks and representation theory
Equivariant neural networks and representation theory
The binding of cosmological structures by massless topological defects
The binding of cosmological structures by massless topological defects
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Basics of crystallography, crystal systems, classes and different forms
Basics of crystallography, crystal systems, classes and different forms
C10 equilibrium
- 1. 1 Class 24 Review Equilibrium Requirements of Equilibrium Review Rotational Kinetic Energy An object that rotates while its center of mass translates will have both translational and rotational kinetic energies. Kinetic energy of pure rotation Work done by constant torque Power (constant torque) Angular Momentum if Conservation of angular momentum The total angular momentum of a rotating object remains constant if the net external torque acting on it is zero. The net torque acting on an object is equal to the time rate of change of the angular momentum x
- 2. 2 An object with forces acting on it, but not moving, is said to be in static equilibrium. The first condition for equilibrium is that the forces along each coordinate axis add to zero. The second condition of equilibrium is that there be no torque around any axis; the choice of axis is arbitrary. Requirements of Equilibrium For static equilibrium the total momentum must be zero. (P is constant) (L is constant) CT_E1: Which disks are in equilibrium? CT_E2: If the magnitude of the forces are adjusted properly (but not zero), in which situation can the rod be in equilibrium? The lever and mechanical advantage Rr FPF CT_E3: In the figure shown, how large should Fp be to lift the bolder?
- 3. 3 Ex: A diver of weight 580 N stands at the end of a diving board of length L = 4.5 m and negligible mass. The board is fixed to two pedestals separated by a distance d = 1.5 m. Of the forces acting on the board, what is (a) the magnitude of the force from the left pedestal and (b) the magnitude of the force from the right pedestal? y x CT_E4: A diver of weight mg stands at the end of a diving board of length L and negligible mass.
- 4. 4 Ex: Suppose the length of a uniform bar is L = 3.00 m and its weight is 200 N. The block weights 300 N and q = 30.0o. The wire can withstand a maximum tension of T = 500N. (b) If the block is placed at the maximum x, what are the horizontal and vertical components of the force on the bar from the hinge at A? y x (a) What is the maximum possible distance x before the wire breaks. CT_E5: (a) In which case it the force on the rod from the cord the least?
- 5. 5 Ex: A uniform beam of weight 500 N and length L = 3.0 m is suspended horizontally. The least tension that will snap the cable is 1200 N. What value of D corresponds to that tension. y x L D CT_E6: In which case is the tension in the wire the least?
- 6. 6 Ex: A uniform beam, of length L. and mass m = 1.8 kg, is at rest on two scales. A uniform block, with mass M = 2.7 kg, is at rest on the beam, with its center a distance L/4 from the beam’s left end. What do the scales read? y x Center of Gravity The gravitational force mg on a body effectively acts at a single point, called the center of gravity of the body. If g is the same for all parts of a body, then the body’s center of gravity is coincident with the body’s center of mass. CT_E8: Consider the two configurations of books shown below. CT_E9: A box, with its center-of-mass.... CT_E7: You are standing on two bathroom scales, one foot on each. Note: if M was at L/2 each scale would read the same. CT_E10: The figure show a block suspended by two wires, A and B, ...
- 7. 7 Ex: A ladder of length L = 12 m and mass m = 45 kg leans against a frictionless wall. It rests on a floor with coefficient of friction m = 0.5. What is the minimum angle you can lean the ladder so that it does not slip? y x
- 8. 8 x y m Ex: A block of mass 15.0 kg hangs by a cord which is attached to two other cords which hang from the ceiling, as shown. The cords have negligible mass, q1 = 25o and q2 = 40o. What is the tension in the three cords? cord 1 cord 3 cord 2 For m For the knot
- 9. 9 Ex: What magnitude for force applied horizontally at the axle of the wheel is necessary to raise the wheel over an obstacle of height h = 3.00 cm. r = 6.00 cm and m = 0.800 kg.
- 10. 10 Requirements of Equilibrium Review (P is constant) (L is constant) Class 25 Review Center of Gravity Elasticity
- 11. 11 Elasticity Tension and compression Stress a Strain E - Young’s Modulus (units: N/m2) Atoms in a solid form a lattice structure The atoms are bonded together with electrons. These bond act like springs. There are three ways we can stress solids. We can pull/push, shear, or compress. In all cases CT_E10: The figure show a block suspended by two wires, A and B, which are identical except for their original lengths.
- 12. 12 Shearing Hydraulic Stress G - Shear Modulus (units: N/m2) b - Bulk Modulus (units: N/m2)